65189657056 has 48 divisors (see below), whose sum is σ = 128649959424. Its totient is φ = 32516774784.

The previous prime is 65189657047. The next prime is 65189657089. The reversal of 65189657056 is 65075698156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41600785 + ... + 41602351.

It is an arithmetic number, because the mean of its divisors is an integer number (2680207488).

Almost surely, 2^65189657056 is an apocalyptic number.

It is an amenable number.

65189657056 is a deficient number, since it is larger than the sum of its proper divisors (63460302368).

65189657056 is a wasteful number, since it uses less digits than its factorization.

65189657056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 65189657056 in words is "sixty-five billion, one hundred eighty-nine million, six hundred fifty-seven thousand, fifty-six".